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Finding the Fourth Proportional to 214,874.40, 322,311.60 and 194,829.60

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Solution

The fourth proportional to 214,874.40, 322,311.60 and 194,829.60 is: 292,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,874.40 : 322,311.60 = 194,829.60 : x
  2. Step 2: Convert to fraction form
    214,874.40/322,311.60 = 194,829.60/x
  3. Step 3: Cross multiply
    214,874.40x = 322,311.60 × 194,829.60
  4. Step 4: Simplify right side
    214,874.40x = 62,795,840,103.36
  5. Step 5: Solve for x
    x = 62,795,840,103.36/214,874.40
  6. Step 6: Final answer
    x = 292,244.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.